661425912

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:632

約数の個数: 240

約数和(自身を含む): 2217247560

約数和(自身を除く): 1555821648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 37, 42, 49, 54, 56, 63, 72, 74, 81, 84, 98, 108, 111, 126, 147, 148, 162, 168, 189, 196, 216, 222, 252, 259, 294, 296, 324, 333, 378, 392, 441, 444, 504, 518, 563, 567, 588, 648, 666, 756, 777, 882, 888, 999, 1036, 1126, 1134, 1176, 1323, 1332, 1512, 1554, 1689, 1764, 1813, 1998, 2072, 2252, 2268, 2331, 2646, 2664, 2997, 3108, 3378, 3528, 3626, 3941, 3969, 3996, 4504, 4536, 4662, 5067, 5292, 5439, 5994, 6216, 6756, 6993, 7252, 7882, 7938, 7992, 9324, 10134, 10584, 10878, 11823, 11988, 13512, 13986, 14504, 15201, 15764, 15876, 16317, 18648, 20268, 20831, 20979, 21756, 23646, 23976, 27587, 27972, 30402, 31528, 31752, 32634, 35469, 40536, 41662, 41958, 43512, 45603, 47292, 48951, 55174, 55944, 60804, 62493, 65268, 70938, 82761, 83324, 83916, 91206, 94584, 97902, 106407, 110348, 121608, 124986, 130536, 141876, 145817, 146853, 165522, 166648, 167832, 182412, 187479, 195804, 212814, 220696, 248283, 249972, 283752, 291634, 293706, 319221, 331044, 364824, 374958, 391608, 425628, 437451, 496566, 499944, 562437, 583268, 587412, 638442, 662088, 744849, 749916, 851256, 874902, 993132, 1020719, 1124874, 1166536, 1174824, 1276884, 1312353, 1489698, 1499832, 1687311, 1749804, 1986264, 2041438, 2234547, 2249748, 2553768, 2624706, 2979396, 3062157, 3374622, 3499608, 3937059, 4082876, 4469094, 4499496, 5249412, 5958792, 6124314, 6749244, 7874118, 8165752, 8938188, 9186471, 10498824, 11811177, 12248628, 13498488, 15748236, 17876376, 18372942, 23622354, 24497256, 27559413, 31496472, 36745884, 47244708, 55118826, 73491768, 82678239, 94489416, 110237652, 165356478, 220475304, 330712956, 661425912]

約数ペア:

[(1, 661425912), (2, 330712956), (3, 220475304), (4, 165356478), (6, 110237652), (7, 94489416), (8, 82678239), (9, 73491768), (12, 55118826), (14, 47244708), (18, 36745884), (21, 31496472), (24, 27559413), (27, 24497256), (28, 23622354), (36, 18372942), (37, 17876376), (42, 15748236), (49, 13498488), (54, 12248628), (56, 11811177), (63, 10498824), (72, 9186471), (74, 8938188), (81, 8165752), (84, 7874118), (98, 6749244), (108, 6124314), (111, 5958792), (126, 5249412), (147, 4499496), (148, 4469094), (162, 4082876), (168, 3937059), (189, 3499608), (196, 3374622), (216, 3062157), (222, 2979396), (252, 2624706), (259, 2553768), (294, 2249748), (296, 2234547), (324, 2041438), (333, 1986264), (378, 1749804), (392, 1687311), (441, 1499832), (444, 1489698), (504, 1312353), (518, 1276884), (563, 1174824), (567, 1166536), (588, 1124874), (648, 1020719), (666, 993132), (756, 874902), (777, 851256), (882, 749916), (888, 744849), (999, 662088), (1036, 638442), (1126, 587412), (1134, 583268), (1176, 562437), (1323, 499944), (1332, 496566), (1512, 437451), (1554, 425628), (1689, 391608), (1764, 374958), (1813, 364824), (1998, 331044), (2072, 319221), (2252, 293706), (2268, 291634), (2331, 283752), (2646, 249972), (2664, 248283), (2997, 220696), (3108, 212814), (3378, 195804), (3528, 187479), (3626, 182412), (3941, 167832), (3969, 166648), (3996, 165522), (4504, 146853), (4536, 145817), (4662, 141876), (5067, 130536), (5292, 124986), (5439, 121608), (5994, 110348), (6216, 106407), (6756, 97902), (6993, 94584), (7252, 91206), (7882, 83916), (7938, 83324), (7992, 82761), (9324, 70938), (10134, 65268), (10584, 62493), (10878, 60804), (11823, 55944), (11988, 55174), (13512, 48951), (13986, 47292), (14504, 45603), (15201, 43512), (15764, 41958), (15876, 41662), (16317, 40536), (18648, 35469), (20268, 32634), (20831, 31752), (20979, 31528), (21756, 30402), (23646, 27972), (23976, 27587)]